diff --git a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml
index bd76814461..afbb5fcf5b 100644
--- a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml
+++ b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml
@@ -295,7 +295,7 @@
                             <div data-spy="scroll" data-target="#docs-sticky-index" data-offset="0">
                                 <article class="docs-body">
 
-                                    @if (Model.DocumentLanguageIsDifferent)
+                                    @if (Model.DocumentLanguageCode != Model.LanguageCode)
                                     {
                                         <abp-alert alert-type="Warning" dismissible="true" class="mb-0">
                                             @L["DocumentNotFoundInSelectedLanguage"]
diff --git a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs
index 03a05f2e78..777875660a 100644
--- a/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs
+++ b/modules/docs/src/Volo.Docs.Web/Pages/Documents/Project/Index.cshtml.cs
@@ -64,7 +64,7 @@ namespace Volo.Docs.Pages.Documents.Project
 
         public bool ShowProjectsCombobox { get; set; }
 
-        public bool DocumentLanguageIsDifferent { get; set; }
+        public string DocumentLanguageCode { get; set; }
 
         public DocumentParametersDto DocumentPreferences { get; set; }
 
@@ -403,6 +403,7 @@ namespace Volo.Docs.Pages.Documents.Project
             try
             {
                 Document = await GetSpecificDocumentOrDefaultAsync(LanguageCode);
+                DocumentLanguageCode = LanguageCode;
             }
             catch (DocumentNotFoundException)
             {
@@ -410,7 +411,7 @@ namespace Volo.Docs.Pages.Documents.Project
                 {
                     Document = await GetSpecificDocumentOrDefaultAsync(DefaultLanguageCode);
 
-                    DocumentLanguageIsDifferent = true;
+                    DocumentLanguageCode = DefaultLanguageCode;
                 }
                 else
                 {
@@ -500,7 +501,7 @@ namespace Volo.Docs.Pages.Documents.Project
             {
                 var content = (await _documentAppService.GetAsync(new GetDocumentInput
                 {
-                    LanguageCode = LanguageCode,
+                    LanguageCode = DocumentLanguageCode,
                     Name = partialTemplate.Path,
                     ProjectId = Project.Id,
                     Version = Version
@@ -518,7 +519,7 @@ namespace Volo.Docs.Pages.Documents.Project
 
         private void SetUserPreferences()
         {
-            UserPreferences.Add("Document_Language_Code", LanguageCode);
+            UserPreferences.Add("Document_Language_Code", DocumentLanguageCode);
             UserPreferences.Add("Document_Version", Version);
 
             var cookie = Request.Cookies["AbpDocsPreferences"];
@@ -608,7 +609,7 @@ namespace Volo.Docs.Pages.Documents.Project
                     new GetParametersDocumentInput
                     {
                         ProjectId = Project.Id,
-                        LanguageCode = LanguageCode,
+                        LanguageCode = DocumentLanguageCode,
                         Version = Version
                     });